Google Glass is a really cool wearable computer with a head-mounted display (HMD) that is being developed by Google in the Project Glass research and development project, Google Glass displays information in a smartphone-like hands-free format,that can interact with the Internet via natural language voice commands. While the frames do not currently have lenses fitted to them, Google is considering partnering with sunglass retailers such as Ray-Ban or Warby Parker, and may also open retail stores to allow customers to try on the device.